diff options
Diffstat (limited to 'flowgraphs/qpsk_sim.py')
| -rwxr-xr-x | flowgraphs/qpsk_sim.py | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/flowgraphs/qpsk_sim.py b/flowgraphs/qpsk_sim.py index b12e1a9..cab8e2b 100755 --- a/flowgraphs/qpsk_sim.py +++ b/flowgraphs/qpsk_sim.py @@ -104,7 +104,7 @@ class qpsk_sim(gr.top_block, Qt.QWidget): self.qtgui_const_sink_x_1.enable_axis_labels(True) - labels = ['', '', '', '', '', + labels = ['Synchronized', 'Lookd', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] @@ -149,7 +149,14 @@ class qpsk_sim(gr.top_block, Qt.QWidget): log=False) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk_const) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, 2e-3, 1) - self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, 5/samp_rate, True, 5, 0, (0,0.05e-6/samp_rate,0.12e-6/samp_rate,0.2e-6/samp_rate,0.23e-6/samp_rate,0.5e-6/samp_rate,1.6e-6/samp_rate,2.3e-6/samp_rate,5e-6/samp_rate), (0.7943282347242815,0.7943282347242815,0.7943282347242815,1,1,1,0.5011872336272722,0.31622776601683794,0.19952623149688797), 9 ) + self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, 5/samp_rate, False, 5, 0, (0,0.05e-6/samp_rate,0.12e-6/samp_rate,0.2e-6/samp_rate,0.23e-6/samp_rate,0.5e-6/samp_rate,1.6e-6/samp_rate,2.3e-6/samp_rate,5e-6/samp_rate), (0.7943282347242815,0.7943282347242815,0.7943282347242815,1,1,1,0.5011872336272722,0.31622776601683794,0.19952623149688797), 9 ) + self.channels_channel_model_0 = channels.channel_model( + noise_voltage=100e-3, + frequency_offset=2e-3, + epsilon=1.0, + taps=[np.exp(1j * 30 / 180 * np.pi)], + noise_seed=243, + block_tags=False) self.blocks_vector_source_x_0 = blocks.vector_source_b(testvec, True, 1, []) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) self.blocks_tagged_stream_align_0 = blocks.tagged_stream_align(gr.sizeof_char*1, 'frame_start') @@ -170,8 +177,9 @@ class qpsk_sim(gr.top_block, Qt.QWidget): self.connect((self.blocks_stream_mux_0, 0), (self.digital_constellation_modulator_0, 0)) self.connect((self.blocks_stream_to_vector_0, 0), (self.fadingui_ber_0, 0)) self.connect((self.blocks_tagged_stream_align_0, 0), (self.blocks_repack_bits_bb_0, 0)) - self.connect((self.blocks_throttle_0, 0), (self.channels_selective_fading_model_0, 0)) + self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_stream_mux_0, 0)) + self.connect((self.channels_channel_model_0, 0), (self.channels_selective_fading_model_0, 0)) self.connect((self.channels_selective_fading_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.channels_selective_fading_model_0, 0), (self.fadingui_netsink_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_corr_est_cc_0, 0)) |